EVENT 508 Men Open 100m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Luke Payne | 18 | Hatfield | 1:05.97 |
| 4 | 3 | Louis Allen | 14 | Chelmsford | 1:05.85 |
| 5 | 2 | Charlie Barrett | 21 | Co Norwich | 1:05.94 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Ben Davison | 17 | Hatfield | 1:05.80 |
| 2 | 7 | Antonio Girolami | 17 | Colchester | 1:05.61 |
| 3 | 9 | Saxon Minto | 14 | Basildon Ph | 1:05.44 |
| 4 | 11 | Robert Addis | 18 | West Norfolk | 1:05.34 |
| 5 | 10 | Samuel Winslow | 15 | Co Cambridge | 1:05.41 |
| 6 | 8 | Lucas Hartley | 15 | Hatfield | 1:05.58 |
| 7 | 6 | Dylan Nutt | 23 | DunmowAtlant | 1:05.80 |
| 8 | 4 | Maddox Roberts | 16 | Witham Dolph | 1:05.84 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Oliver Blight | 16 | Hatfield | 1:05.28 |
| 2 | 15 | Daniel Clayton | 16 | teamipswich | 1:05.17 |
| 3 | 17 | Billy Knibb | 17 | Linslade | 1:05.05 |
| 4 | 19 | Henry Dean | 16 | Thurrock | 1:04.89 |
| 5 | 18 | Patch Robinson | 15 | teamipswich | 1:04.90 |
| 6 | 16 | William Robins | 19 | Biggleswade | 1:05.12 |
| 7 | 14 | Atikan To | 16 | Ware | 1:05.20 |
| 8 | 12 | Ross De Wildt | 14 | Co Cambridge | 1:05.31 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Louis James | 16 | Norwich Swan | 1:04.84 |
| 2 | 23 | James Williamson | 15 | Co Cambridge | 1:04.67 |
| 3 | 25 | Josh Martin | 16 | Co Peterboro | 1:04.59 |
| 4 | 27 | Ben Buckley | 15 | Co Norwich | 1:04.54 |
| 5 | 26 | Harry Weston | 22 | Dereham | 1:04.55 |
| 6 | 24 | M Davies-Haywood | 17 | Co Norwich | 1:04.60 |
| 7 | 22 | Jamie Joshua | 16 | Hatfield | 1:04.69 |
| 8 | 20 | Ryan Close | 14 | Biggleswade | 1:04.89 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | Dylan Cole | 18 | Stevenage | 1:04.19 |
| 2 | 31 | Jacob Ray | 15 | Basildon Ph | 1:03.75 |
| 3 | 33 | Ashley Coombs | 21 | Bushey | 1:03.72 |
| 4 | 35 | Jack Hill | 17 | Linslade | 1:03.49 |
| 5 | 34 | Timon Chapman | 20 | Co Norwich | 1:03.55 |
| 6 | 32 | Joshua Sackree | 14 | Co Peterboro | 1:03.75 |
| 7 | 30 | Jake Moore | 16 | Potters Bar | 1:03.95 |
| 8 | 28 | Joseph McGillivray | 17 | Co Norwich | 1:04.33 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 39 | Gabriel Layzell | 17 | Linslade | 1:02.88 |
| 2 | 45 | William Ellard | 16 | St Felix Sch | 1:01.20 |
| 3 | 51 | William Loveman | 22 | Co St Albans | 1:00.38 |
| 4 | 57 | Benjamin Green | 18 | Watford SC | 58.06 |
| 5 | 54 | Kai Adams | 26 | Halstead | 59.52 |
| 6 | 48 | Lewis Chapman | 21 | Stowmarket | 1:00.66 |
| 7 | 42 | Joseph Wells | 23 | West Norfolk | 1:02.01 |
| 8 | 36 | Kalaum Corani | 18 | Colchester | 1:03.40 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 40 | Archie Chamberlain | 16 | West Suffolk | 1:02.68 |
| 2 | 46 | Freddie Laws | 19 | West Norfolk | 1:00.95 |
| 3 | 52 | Nathanial Mapley | 16 | Co St Albans | 1:00.26 |
| 4 | 58 | Lawrence Palmer | 30 | Putteridge | 57.73 |
| 5 | 55 | Olivier Vedrenne | 17 | Co Norwich | 59.24 |
| 6 | 49 | Tyler Tombs | 17 | Chelmsford | 1:00.61 |
| 7 | 43 | Thomas Boyt | 23 | Felixstowe | 1:01.75 |
| 8 | 37 | Samuel Peck | 22 | Norwich Swan | 1:03.28 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 41 | Matthew Gray | 22 | Co Peterboro | 1:02.11 |
| 2 | 47 | Callum Davis | 22 | Bishop Stort | 1:00.82 |
| 3 | 53 | Sam Perkins | 20 | teamipswich | 1:00.12 |
| 4 | 59 | Nathan Wells | 24 | West Norfolk | 57.11 |
| 5 | 56 | Myles Turner | 22 | West Suffolk | 59.21 |
| 6 | 50 | Jake Thomas-Mansfield | 22 | West Suffolk | 1:00.43 |
| 7 | 44 | Daryl Rands | 25 | Colchester | 1:01.35 |
| 8 | 38 | Daniel Holliss | 16 | Co St Albans | 1:03.26 |